IBEC ELECTROLOGY EXA M

IBEC ELECTROLOGY EXA M

QUESTIONS AND ANSWERS 1 00%

CORRECT.

Question : Which body system supplies cells with

oxygen and nutrients and carries away waste?

• Nervous system
• Respiratory system
• Urinary System
• Correct! Circulatory System

Correct answer: Circulatory System

Question : Which layer of a vessel contains the muscular

layer?

• Tunica externa
• Correct! Tunica media
• Tunica intima
• Vessels do not contain a muscular layer

Correct answer: Tunica media

Question : Which layer of heart anchors it to the

diaphragm?

• Endocardium
• Mediastinal
• Myocardium

• Correct! Pericardium

Correct answer: Pericardium

Question : Which statement is true concerning the

cardiac cycle?

• The atrial contraction time is longer than the ventricle

contraction time.Correct! B. The ventricular contraction time is longer than the atrial contraction time.

• Systole refers to the relaxation of the heart chambers.
• Diastole refers to the contraction of the heart

chambers.

• C & D are true

Correct answer: The ventricular contraction time is

longer than the atrial contraction time.

Question : Which statement is true concerning the events

in the coagulation cascade?

• Platelets destroy the fibrin network.
• Fibrin is converted to fibrinogen.
• Plasmin becomes trapped in the fibrin threads.
• Correct! Prothrombin is converted to thrombin.

Correct answer: Prothrombin is converted to thrombin.

Question : Which vessel would you expect to be the best

place to feel a strong pulse?

• Subclavian vein
• Inferior vena cava
• Correct! Common carotid- subclavian artery
• Brachiocephalic vein

Correct answer: Common carotid- subclavian artery

Question : You are reviewing your patient's results from

an EKG. The findings indicate a problem with ventricular repolarization. Where should you look on the EKG to find this abnormal rhythm?

• Correct! T-wave
• QRS complex
• P-wave
• The electrical activity cannot be read on an EKG

Correct answer: T-wave

Question : Your patient's EKG results indicate difficulty

with left and right atrial systole. What part of the conduction system is not functioning properly?

• Atrioventricular node.
• Correct! SA node causes contraction of the left and

right atria

• Bundle of His
• Purkinje fibers

Correct answer: SA node causes contraction of the left

and right atria

Question : What is melanin?

Correct answer: Gives our skin its color.

Question : What is keratine?

Correct answer: Gives skin a yellow undertone.

Question : What is another name for the dermis?

Correct answer: True skin or Living layer

Question : What is the stratum corneum?

Correct answer: Over most layer. Protects and sheds

Question : What is the stratum lucidum?

Correct answer: Only found on our palms and soles. Lets

light through.

Question : What is the stratum granulosum?

Correct answer: Helps the cells die.

Question : What is the stratum spinosum?

Correct answer: First line of defense.

Question : What is the stratum basal layer?

(germinitivum)