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NEW QUESTION # 35
Good sources of vitamin C are:
- A. meats
- B. citrus fruits
- C. milk and milk products
- D. breads and cereals
Answer: B
Explanation:
Good sources of vitamin C are citrus fruits such as oranges, lemons, grapefruits, and limes. Vitamin C is also found in other fruits and vegetables like strawberries, bell peppers, and broccoli. It is essential for the growth, development, and repair of all body tissues and plays a role in many bodily functions, including the formation of collagen, absorption of iron, and the maintenance of cartilage, bones, and teeth. Reference: Nationally Registered Certified Medical Assistant study materials, nutritional guidelines.
NEW QUESTION # 36
The pre-determined amount of money paid by the patient before insurance company pays is:
- A. deductible
- B. exclusion
- C. coordination of benefits
- D. carrier
Answer: A
Explanation:
The pre-determined amount of money paid by the patient before the insurance company pays is called the deductible. This is a common feature in health insurance plans, where the patient must pay a specified amount out-of-pocket for healthcare services before the insurance coverage begins to contribute to the costs.
Reference:
Understanding Health Insurance: A Guide to Billing and Reimbursement, 14th Edition, Michelle A. Green Centers for Medicare & Medicaid Services (CMS), Health Insurance Basics
NEW QUESTION # 37
A congenital defect consisting of the absence of a vertebral arch of the spinal column is called:
- A. tabes dorsalis
- B. paresthesia
- C. hydrocephalus
- D. spina bifida
Answer: D
Explanation:
Spina bifida is a congenital defect where there is an absence of a vertebral arch in the spinal column. This defect occurs during fetal development and can lead to varying degrees of disability, depending on the severity of the condition. The spinal cord and nerves can be exposed, leading to potential complications such as paralysis and infections. Reference: Nationally Registered Certified Medical Assistant study materials, pediatric and congenital disorder textbooks.
NEW QUESTION # 38
A counting chamber utilized in manual microscopic methods is called a
- A. hemacytometer
- B. hcmacountcr
- C. ccntraomctcr
- D. hyamestometer
Answer: A
Explanation:
A hemacytometer is a device used in manual microscopic methods to count cells. It consists of a thick glass microscope slide with a grid etched into it. This grid allows for the counting of cells in a defined volume of fluid, making it possible to calculate the concentration of cells in a sample. The other options are not valid terms:
Hyamestometer: Not a recognized term.
Ccntraomctcr: Typographical error, not a valid term.
Hcmacountcr: Typographical error, not a valid term.
Reference:
"Hemacytometer." ScienceDirect, https://www.sciencedirect.com/topics/neuroscience/hemacytometer
NEW QUESTION # 39
A goiter:
- A. is a visible swelling of the thyroid gland
- B. is the result of hypoparathyroidism
- C. controls levels of blood calcium
- D. is essential for life, secretes steroids
Answer: A
Explanation:
A goiter is a visible swelling of the thyroid gland. This enlargement can occur due to various causes, including iodine deficiency, autoimmune diseases like Hashimoto's thyroiditis or Graves' disease, and nodular thyroid disease. It may present as a uniform enlargement (diffuse goiter) or an irregular one with nodules (nodular goiter). Reference: Nationally Registered Certified Medical Assistant study materials, endocrinology textbooks.
NEW QUESTION # 40
A Z-tract injection is an injection given in the gluteal
muscle of the buttocks.
- A. intradermal
- B. intramuscular
- C. intra-arterial
- D. intravenious
Answer: B
Explanation:
A Z-tract injection is a technique used to administer medication intramuscularly to minimize leakage and irritation of the medication in the subcutaneous tissue. The Z-tract method involves pulling the skin and subcutaneous tissue to one side before inserting the needle into the muscle, injecting the medication, and then releasing the tissue after withdrawing the needle. This "zig-zag" path prevents the medication from leaking back along the needle track. The gluteal muscle, particularly the ventrogluteal or dorsogluteal sites, is commonly used for such injections due to its large muscle mass.
NEW QUESTION # 41
The word part meaning white is
- A. leuko
- B. lyle
- C. sarco
- D. cyto
Answer: A
Explanation:
The word part meaning white is "leuko." It is used in medical terms to refer to white or white blood cells, such as in "leukocyte," which is a white blood cell. The prefix "leuko-" is derived from the Greek word "leukos," meaning white.
Reference:
Medical Terminology: The Language of Health Care by Marjorie Canfield Willis Dorland's Illustrated Medical Dictionary
NEW QUESTION # 42
A lipid profile includes testing for:
- A. sterile water
- B. serum
- C. a substance to enhance coagulation
- D. EDI A asan anticoagulant
Answer: D
Explanation:
When collecting specimens for a white blood count (WBC), you would use a tube that contains EDTA (ethylenediaminetetraacetic acid) as an anticoagulant. EDTA prevents blood from clotting by binding calcium ions, which is crucial for maintaining the integrity of the blood sample for accurate WBC analysis.
NEW QUESTION # 43
A technique that employs high-frequency, inaudible sound waves which bounce off body tissues and then recorded, is called:
- A. thermography
- B. none of tire choices
- C. xeroradiography
- D. sonogram or echogram
Answer: D
Explanation:
A technique that employs high-frequency, inaudible sound waves which bounce off body tissues and are then recorded is called a sonogram or echogram. This imaging technique is widely known as ultrasound and is commonly used in medical diagnostics to visualize muscles, tendons, and internal organs, capture their size, structure, and any pathological lesions. Reference: Nationally Registered Certified Medical Assistant study materials, radiology and imaging textbooks.
NEW QUESTION # 44
The first sound heard when taking the blood pressure is:
- A. recurrence of symptoms
- B. recovery from disease
- C. venous pressure
- D. diastolic pressure
Answer: D
Explanation:
The first sound heard when taking the blood pressure is the systolic pressure, not diastolic. When measuring blood pressure with a sphygmomanometer, the first Korotkoff sound indicates the systolic pressure. It is the pressure in the arteries when the heart beats (contracts) and is the higher of the two blood pressure readings. Diastolic pressure, which is the pressure in the arteries when the heart is at rest between beats, is indicated by the last Korotkoff sound heard.
Reference:
Manual of Hypertension of the European Society of Hypertension by Giuseppe Mancia Blood Pressure Measurement Techniques - American Heart Assoc
NEW QUESTION # 45
A condition of excessive intraocular pressure which results in atrophy of the optic nerve is:
- A. strabismus
- B. ordeolum
- C. glaucoma
- D. amblyopia
Answer: C
Explanation:
Glaucoma is a condition characterized by increased intraocular pressure, which can damage the optic nerve and result in vision loss or blindness if not treated. The increased pressure is usually due to a buildup of aqueous humor in the eye, either from overproduction or blocked drainage channels. Reference: Nationally Registered Certified Medical Assistant study materials, ophthalmology textbooks.
NEW QUESTION # 46
AIDS, are the initials for:
- A. acquired immune deficiency syndrome
- B. none of the above
- C. clockwise
- D. arthritic immune deficiency syndrome
Answer: A
Explanation:
AIDS stands for acquired immune deficiency syndrome. It is a chronic, potentially life-threatening condition caused by the human immunodeficiency virus (HIV). By damaging the immune system, HIV interferes with the body's ability to fight infections and disease.
Reference:
Centers for Disease Control and Prevention (CDC). (n.d.). About HIV/AIDS.
World Health Organization (WHO). (n.d.). HIV/AIDS.
NEW QUESTION # 47
A mysterious condition which kills apparently healthy infants between the ages of 4 weeks and 7 months is known as:
- A. apnea
- B. tuberculosis
- C. pneumonia
- D. sudden infant death syndrome
Answer: D
Explanation:
A mysterious condition that kills apparently healthy infants between the ages of 4 weeks and 7 months is known as sudden infant death syndrome (SIDS). SIDS is the sudden, unexplained death of an otherwise healthy baby, often during sleep. The exact cause of SIDS is unknown, but it is believed to be associated with factors such as sleep environment, respiratory issues, and developmental vulnerabilities.
Reference:
American Academy of Pediatrics - SIDS Guidelines
Sudden Infant Death Syndrome: From Pathophysiology to Prevention by J. Bruce Beckwith
NEW QUESTION # 48
Of the following choose the word or words that are incorrectly spelled:
1. Annorexia 2. Oititis 3. Legder 4. Metabolism
- A. :4
- B. 1.2.3
- C. 1.4
- D. 2.4
Answer: B
Explanation:
The words "Annorexia", "Oititis", and "Legder" are incorrectly spelled. The correct spellings are:
Anorexia - An eating disorder characterized by an abnormally low body weight and an intense fear of gaining weight.
Otitis - Inflammation or infection of the ear.
Ledger - A book or other collection of financial accounts.
Reference:
Mosby's Medical Dictionary (10th ed.). (2017). Elsevier.
Merriam-Webster Medical Dictionary.
NEW QUESTION # 49
Which of the following may precipitate individual attacks of asthma?
- A. exposure to mists and dusts in industrial plants
- B. inhalation of cold air
- C. volatile irritants from organic solvents
- D. all of tire choices
Answer: D
Explanation:
Asthma attacks can be precipitated by various factors including volatile irritants from organic solvents, inhalation of cold air, and exposure to mists and dusts in industrial plants. These triggers can cause bronchoconstriction and inflammation in individuals with asthma, leading to difficulty in breathing and other symptoms. Identifying and avoiding these triggers is a critical part of asthma management.
Reference:
Global Initiative for Asthma (GINA) Guidelines
Asthma and Allergy Foundation of America
NEW QUESTION # 50
Normal oral temperature is 98.6°F. The equivalent Celsius temperature is:
- A. 36.0°C
- B. 3/.f>°C
- C. 37.osc
- D. 39.(FC
Answer: C
Explanation:
Normal oral temperature of 98.6°F is equivalent to 37.0°C. This conversion is based on the formula for converting Fahrenheit to Celsius: C=(F-32)×59\text{C} = (\text{F} - 32) \times \frac{5}{9}C=(F-32)×95. Maintaining accurate temperature readings is important for diagnosing and monitoring various medical conditions.
Reference:
Clinical Methods: The History, Physical, and Laboratory Examinations by Walker, Hall, and Hurst Temperature and Vital Signs Monitoring in Clinical Practice
NEW QUESTION # 51
Which organ is responsible for filtering blood and producing urine?
- A. Kidney
- B. Heart
- C. Stomach
- D. Liver
Answer: A
Explanation:
The kidneys are vital organs in the urinary system. They filter waste products, excess substances, and fluids from the blood to form urine. Each kidney contains about one million nephrons, which are the functional units responsible for this filtration process. Blood enters the kidneys through the renal arteries, is filtered in the nephrons, and then exits through the renal veins. The filtered waste is collected in the renal pelvis, passes through the ureters to the bladder, and is eventually excreted as urine. This process helps maintain the body's electrolyte balance, blood pressure, and overall homeostasis.
NEW QUESTION # 52
A patient in the prone position is lying
- A. face down flexed
- B. on their bat k with legs
- C. flat on their back with palms flexed and face up
- D. on the left side with legs
Answer: A
Explanation:
A patient in the prone position is lying face down. This position is commonly used in medical examinations and surgical procedures to access the back or posterior parts of the body. It helps in various diagnostic and therapeutic interventions, providing better access to the dorsal surface of the body.
Reference:
Mosby's Medical Dictionary
Clinical Examination Techniques by Talley and O'Connor
NEW QUESTION # 53
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