Exam 3 Quizzes - Ch. 15-24

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The "lubb" sound heard with a stethoscope is caused by:

Turbulence in the blood when the AV valves close

Which structure is known as AV valve with two flaps?

bicuspid valve

During the early phase of ventricular filling:

blood flows passively from atria to the ventricles

Which of the following separates the motor information from sensory information?

central sulcus

Where does the spinal cerebellar tract end?

cerebellum

Where the does spinothalamic tract end?

cerebrum

The vascular coat of the eyeball is called:

choroid

Conscious perception of vision probably reflects activity in the:

cortex of the occipital lobe

The cell body of a first order neuron will be located in the:

dorsal ganglion

Pressure, pain, and temperature receptors in the skin are:

exteroceptors

Which of the following is not a cranial nerve that innervate the eye?

facial - CN VII

The area of the eye with the greatest visual acuity (sharpest vision) is the:

fovea centralis

The axon of the Purkinje cells are located in the:

granular cell layer

Ventricular systole happens:

in a wave that begins at the apex and spreads toward the base

Which structure communicates the lateral ventricles to the third ventricle?

interventricular foramen

A thick midline ridge in the thyroid cartilage that is sometimes referred to as the Adam's apple is technically named the:

laryngeal prominence

Which type of general sense receptor detects pressure changes in walls of blood vessels and in portions of the digestive, reproductive and urinary tracts?

mechanoreceptors

The larger the receptive field, the __________ it is to localize the stimulus.

more difficult

Which of these types of receptors responds to pain stimuli?

nociceptors

Small muscle masses attached to the chordae tendineae are the:

papillary muscles

Blood is pushed out from the right atrium into the right ventricle (every last drop of it) by this muscle. Can you name the structure?

pectinate muscles

A special feature of fenestrated capillaries is that they have:

pores

Which structure prevents backflow into the right ventricle?

pulmonary valve

The abducens nerve _________.

supplies innervation to the lateral rectus muscle of the eye

The larynx is composed of ______________ big pieces of ____________ cartilage.

3; hyaline

Veins need valves because:

Blood pressure is lowest in veins so the valves help it to oppose the force of gravity

All blood being drained from the lower limb will take this pathway back to the heart:

External iliac vein, common iliac vein, inferior vena cava

CH 16

HERE ARE THE QUESTIONS

CHAPTER 18

HERE ARE THE QUESTIONS

CHAPTER 21

HERE ARE THE QUESTIONS

CHAPTER 22

HERE ARE THE QUESTIONS

CHAPTER 24

HERE ARE THE QUESTIONS

The longest nerve that innervates the digestive system is the:

vagus

Which structure contains the utricle and saccule?

vestibule

The cell body of the Purkinje cells are located in the:

Purkinje cell layer

Select the correct statement about the heart valves.

The AV valves are supported by chordae tendineae so that they do not blow back up into the atria during ventricular contraction

During atrial systole,

The atrioventricular valves are open.

Which type of neuron has a tract that goes from the spinal cord to the thalamus?

multipolar

Which of the following statements is TRUE concerning blood circulation?

The right ventricle pumps deoxygenated blood to the lungs.

The ___________ is lined by squamous epithelium.

oropharynx

The cranial nerve with a dual origin (brain and spinal cord) is the _______.

accessory

Which cranial nerve innervates the trapezius and sternocleidomastoid?

accessory

Which structure prevents backflow into the left ventricle?

aortic valve

Which of the following structures connects the third and fourth ventricles?

aqueduct of the midbrain

Which of the following helps maintain the intraocular pressure; located in the anterior part of the eye?

aqueous humor

The ridge found at the bifurcation of the trachea is called the:

carina

_________occurs when a receptor becomes so accustomed to the stimulation that it stops gathering impulses.

sensory adaptation

The __________ separates the nasal and oral cavities.

palate

Which type of neuron has a tract that goes from the effector organ to the spinal cord?

pseudounipolar


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