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WorksheetsES 207 Exam 3
Total questions: 20
Worksheet time: 10mins
Which of these is NOT a function of the nervous system?
transportation of oxygen in the blood
Controlling muscles and glands
maintaining homeostasis
regulation of body temperature
What is the function of the abducens cranial nerve?
Hearing and balance
Control of facial expressions
Head and neck movement
movement of the eyes/eyeball
Where does the autonomic nervous system transmit action potentials?
skeletal muscle
Digestive tract
cardiac muscle, smooth muscle and glands
brain and spinal cord
Which glial cell provides myelin to axons in the PNS?
Microglial
Oligodendrocytes
Schwann Cells
Astrocytes
What is the function of myelin sheath?
Insulating and speeding up nerve impulse conduction
Insulating and slowing down nerve impulse conduction
regulating neurotransmitter release
providing structural support to neurons
Which lobe of the brain is primarily associated with the integration of auditory information and language processing?
Parietal
Temporal
Frontal
Occipital
What is the most superficial meningeal layer?
Arachnoid mater
Pia mater
Subarachnoid mater
Dura mater
Which of the following statements about the sympathetic nervous system is correct?
It primarily regulates rest and digest functions
Pre-ganglionic fibers release acetylcholine, while post-ganglionic fibers release norepinephrine.
It stimulates increased secretion of digestive enzymes
Activation of the SNS results in decreased heart rate
Which part of the brain controls voluntary actions?
Cerebrum
Cerebellum
Brain stem
Spinal Cord
What are the two neurotransmitters most involved with the autonomic nervous system (ANS)?
Acetylcholine and epinephrine
Acetylcholinesterase and norepinephrine
Norepinephrine and acetylcholine
Epinephrine and norepinephrine
At rest, how much blood is pumped per minute in liters?
3
4
6
5
What structure(s) carry blood from the body to the right atrium?
superior vena cava
pulmonary veins
inferior vena cava
pulmonary arteries
Which statement correctly describes the interatrial septum?
It divides the right and left atria
It separates the left and right ventricles
It is composed of thick muscular tissue
It contains the atrioventricular valves
Which blood vessel carries oxygenated blood away from the heart to the rest of the body?
Pulmonary arteries
Aorta
Superior vena cava
Pulmonary veins
What is the order of the heart wall layers from superficial to deep?
endocardium, myocardium, epicardium
epicardium, endocardium, myocardium
endocardium, epicardium, myocardium
Epicardium, myocardium, endocardium
What is the correct order of action potentials through the heart?
AV bundle, AV node, SV node, right and left buncle branches, purkinje fibers
SA Node, AV bundle AV node, right and left bundle branches, purkinje fibers
SA Node, AV node, AV bundle, right and left bundle branches, purkinje fibers
Purkinje fibers, right and left bundle branches, AV bundle, AV node, SA node
True or False? Diastole means contraction and Systole means relaxation in the cardiac cycle?
True
False
Of the four components of the blood, which is the smallest and responsible for forming clots at the sites of injury?
Plasma
Platelets
Erythrocytes
Leukocytes
Which of the following best defines stroke volume in the context of cardiac physiology?
The volume of blood pumped by the heart per minute
The ratio of heart rate to cardiac output
The volume of blood ejected by the heart with each contraction
The amount of blood remaining in the ventricles after contraction
Which of the following best describes the function of chemoreceptors?
Regulation of blood vessel diameter
Monitoring of blood temperature
Regulation of blood pressure
Detection of changes in blood pH and carbon dioxide levels
