c

Group of answer choices

organs; abdominal

wall; chest

wall; abdominal

organs; chest

Flag this Question

ACTIVATION LINK

Group of answer choices

melanocytes, which give the skin color

collagen connective tissue

nerve endings

sweat glands

Flag this Question

Question 31 pts

The skeletal system function of hematopoiesis refers to the__:

Group of answer choices

process of blood cell formation

storage of calcium for the body

attachment of muscles for movement

ability of the skeleton to protect the more delicate structures of the body

Flag this Question

Question 41 pts

Bone-building cells are called __:

Group of answer choices

osteoblasts

osteoclasts

osteocytes

chondrocytes

Flag this Question

Question 51 pts

Which of the following is not one of the bones that makes up the hip bone?

Group of answer choices

acetabulum

ischium

pubis

ilium

Flag this Question

Question 61 pts

Which substance is stored in the muscle’s endoplasmic reticulum and then released when a nerve signal stimulates a muscle fiber?

Group of answer choices

calcium ions

myoglobin

ATP

Sarcomeres

Flag this Question

Question 71 pts

Complete the sentence below to make an accurate statement.

During a nerve impulse___:

Group of answer choices

sodium ions are allowed into the neuron

the entire neuron becomes positively charged

sodium ions are pumped out of the neuron

the interior of the neuron becomes more negative

Flag this Question

Question 81 pts

The vital centers of the body are located in the ___:

Group of answer choices

medulla oblongata

pons

spinal cord

midbrain

Flag this Question

Question 91 pts

Which of the following is not a function of the hypothalamus?

Group of answer choices

plays a part in the so-called arousal or alerting mechanism

produces antidiuretic hormone

helps regulate body temperature

helps regulate water balance

Flag this Question

Question 101 pts

Which of the following is an example of a morphine-like neurotransmitter?

Group of answer choices

enkephalin

acetylcholine

dopamine

serotonin

Flag this Question

Question 111 pts

Which of the following is not a bone of the middle ear?

Group of answer choices

cochlea

stapes

incus

malleus

Flag this Question

Question 121 pts

Complete the sentence to make it correct:

Adrenal Corticotropic Hormone (ACTH) ___:

Group of answer choices

causes the ovary to begin forming an egg follicle

stimulates the production of adrenal cortex hormone

stimulates the release of adrenaline

has target organ cells in the thyroid gland

Flag this Question

Question 131 pts

Complete the sentence to make it correct:

The hormone Calcitonin ___:

Group of answer choices

prevents hypercalcemia

is released by the parathyroid gland

increases the calcium level in the blood

can cause Graves disease if it is hypersecreted

Flag this Question

Question 141 pts

Which of the following is true of parathyroid hormone?

Group of answer choices

It increases the amount of calcium in the blood.

It is made in the thyroid gland.

It stimulates the formation of bone.

It is secreted by the thyroid gland

Flag this Question

Question 151 pts

The bicuspid or mitral valve is the valve ___:

Group of answer choices

between the left atrium and left ventricle

that opens from the right ventricle into the artery

between the right atrium and right ventricle

that opens from the left ventricle into the artery

Flag this Question

Question 161 pts

Which structure is the part of the conduction system of the heart that actually makes the ventricles contract?

Group of answer choices

Purkinje fibers

sinoatrial node

atrioventricular node

bundle of His

Flag this Question

Question 171 pts

Fill in the blanks in the sentence below to make it correct:

The first heart sound (“lub”) is caused by the _____ of the _____ and _____valve(s).

Group of answer choices

Closing; mitral; tricuspid

Closing; aortic; pulmonic

Opening; mitral; tricuspid

Opening; aortic; pulmonic

Flag this Question

Question 181 pts

Blood passing through the tricuspid valve has just left which heart chamber?

Group of answer choices

right atrium

left atrium

left ventricle

right ventricle

Flag this Question

Question 191 pts

Blood returning from the lung enters which heart chamber?

Group of answer choices

left atrium

left ventricle

right ventricle

right atrium

Flag this Question

Question 201 pts

Blood pressure is highest in the ___:

Group of answer choices

large arteries

capillaries

large veins

small veins

Flag this Question

Question 211 pts

An increase in which of the following can cause a decrease in blood pressure?

Group of answer choices

heart rate

blood volume

strength of the heart contraction

blood viscosity

Flag this Question

Question 221 pts

The movement of gases from the alveoli to the plasma and red blood cells is called:

Group of answer choices

Diffusion

Perfusion

Ventilation

Respiration

Flag this Question

Question 231 pts

The amount of air that can be forcibly taken in after normally inhaling is called __ ___ :

Group of answer choices

inspiratory reserve volume

end expiratory lung volume (EELV))

residual volume

tidal volume

Flag this Question

Question 241 pts

An incomplete expansion or collapse of a lung for any reason is called__:

Group of answer choices

atelectasis

pleurisy

pneumothorax

hemothorax

Flag this Question

Question 251 pts

The order of the segments of the small intestine from the stomach to the large intestine is which of the following?

Group of answer choices

duodenum, jejunum, ileum

ileum, jejunum, duodenum

duodenum, ileum, jejunum

jejunum, duodenum, ileum

Flag this Question

Question 261 pts

List order in which material passes through the large intestine.

Group of answer choices

Cecum, ascending colon, transverse colon, descending colon

Descending colon, transverse colon, ascending colon, cecum

Ascending colon, cecum, transverse colon, descending colon

Cecum, descending colon, transverse colon, ascending colon

Flag this Question

Question 271 pts

Protein digestion begins in the ___:

Group of answer choices

stomach

mouth

small intestine

large intestine

Flag this Question

Question 281 pts

Blood plasma moving from the glomerulus to the Bowman capsule is called__:

Group of answer choices

filtration

resorption

excretion

micturition

Flag this Question

Question 291 pts

The positively charged ion with the greatest concentration in the blood is__:

Group of answer choices

sodium

calcium

magnesium

potassium

Flag this Question

Question 301 pts

The hormone aldosterone causes the _____ by the kidneys.

Group of answer choices

resorption of sodium ions

resorption of potassium ions

loss of sodium ions

loss of potassium ions