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CMA Practice Test

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Question 1

The average life span of erythrocytes (red blood cells):

A	2-4 days
B	365 days
C	25-30 days
D	100-120 days
E	180-200 days

Question 1 Explanation:

The average life span of erythrocytes (red blood cells) is 100-120 days.

Question 2

The proper course of action for dealing with a patient who has a suspected bone fracture in an extremity is to:

A	test the affected extremity's range of motion
B	lay the patient flat on his or her back
C	prevent movement of the injured area and schedule an x-ray
D	provide the patient with a source of sugar
E	administer activated charcoal

Question 2 Explanation:

The proper course of action for dealing with a patient who has a suspected bone fracture in an extremity is to prevent movement of the injured area and schedule an x-ray so that a definitive diagnosis of the injury can be made.

Question 3

Which of the following is appropriate when communicating with a child?

A	Comfort the child by telling them the procedure will not hurt
B	Tell the child what to do during the examination
C	Reinforce parental interaction with the child
D	None of the given answers are correct
E	Pick up the child

Question 3 Explanation:

When communicating with a child, it is appropriate to reinforce parental interaction with the child. The other options are not appropriate actions when dealing with a child.

Question 4

Plaques and tangles of brain tissue accompanied by dementia are common hallmarks of:

A	Alzheimer's disease
B	Huntington's disease
C	Frontal Lobe Dementia
D	Parkinson's disease
E	Epilepsy

Question 4 Explanation:

Alzheimer's disease is a terminal illness and the most common form of dementia. Hallmarks of the condition are plaques and tangles of brain tissue.

Question 5

This sublayer of the epidermis (outermost layer) consists of layers of dead cells full of keratin:

A	Stratum corneum
B	Stratum basale
C	None of the given answers are correct
D	Stratum granulosum
E	Stratum spinosum

Question 5 Explanation:

The stratum corneum is the outermost layer of the epidermis and consists of layers of dead keratinocytes (corneocytes) full of keratin.

Question 6

Which of the following prefixes means "half"?

A	Quadr-
B	Bi-
C	Nulli-
D	Tri-
E	Hemi-

Question 6 Explanation:

The prefix "hemi-" means "half"

Question 7

Which of the following is a combining form meaning "kidney"?

A	Nephr/o
B	Gloss/o
C	Pyel/o
D	Lith/o
E	Ureter/o

Question 7 Explanation:

"Nephr/o" is a combining form meaning "kidney."

Question 8

A bone that is broken in multiple places is described as a/an:

A	Open/Compound fracture
B	Closed/Simple fracture
C	Comminuted fracture
D	Spiral fracture
E	Impacted/Compacted fracture

Question 8 Explanation:

A comminuted fracture describes a bone that has broken into multiple pieces.

Question 9

Spasm of which cranial nerve causes Trigeminal neuralgia?

A	V
B	IV
C	II
D	III
E	XII

Question 9 Explanation:

Trigeminal neuralgia can be described as severe spasm of cranial nerve V (trigeminal nerve).

Question 10

The combining form "an/o" refers to the:

A	Large Intestine
B	Anus
C	Ankle
D	Colon
E	Opening

Question 10 Explanation:

The combining form "an/o" refers to the anus.

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