Physio

Question 1

The fluids outside and inside the cell is important to maintain the homeostasis. Which of the following is true about extracellular fluids and intracellular fluids?
a. The intracellular fluids contain large amount of potassium, magnesium, chloride ions. The
extracellular contain sodium, bicarbonate ions and phosphate ions
b. The intracellular fluids contain large amount of potassium, magnesium, sodium. The extracellular contain sodium, bicarbonate ions and phosphate ions
c. The intracellular fluids contain large amount of potassium, magnesium, phosphate ions. The
extracellular contain sodium, bicarbonate ions and chloride ions
d. NOTA

Answer 1

c. The intracellular fluids contain large amount of potassium, magnesium, phosphate ions. The
extracellular contain sodium, bicarbonate ions and chloride ions

Question 2

of the following describes the positive feedback?
a. Most common feedback in the body
b. this type of feedback triggers when some factors of the body is deficient or excessive
c. Vicious cycle
d. changes that return the factor toward certain mean value

Answer 2

c. Vicious cycle

Question 3

Specialization of a plasma membrane
a. Tight junction
b. gap junction
c. Tight and Gap Junction
d. TMJ

Answer 3

c. Tight and Gap Junction

Question 4

All of the following describe the organelles, Except
a. Little organs in the cytoplasm
b. subcellular structures specialized for specific functions such as manufacturing proteins or producing ATP
c. Organelles can be thought of as individual workstations within the cell, each responsible for performing specific tasks
d. NOTA

Answer 4

d. NOTA

Question 5

Which of the following describes the diffusion?
I. Diffusion through the cell membrane is divided into two subtypes, called simple
diffusion and facilitated diffusion
II. Simple Diffusion means that kinetic movement of molecules or ions through a
membrane opening or through intermolecular spaces without any interaction with
carrier proteins in the membrane
III. Facilitated diffusion requires interaction of a carrier protein.
IV. The carrier protein in facilitated diffusion aids passage of the molecules or ions
through the membrane by binding chemically with them.

a. I,II,III
b. I,II,III
c. I,II,III,IV
d. Only I

Answer 5

c. I,II,III,IV

Question 6

All of the following describe the Anaphase stage, Except
a. The chromatids are pulled tightly by their attached microtubules to the very center of the
cell, lining up to form the equatorial plate of the mitotic spindle
b. Two chromatids of each chromosome are pulled apart at the centromere
c. At the end of anaphase, each set of chromosomes has reached an opposite pole of
the cell
d. NOTA

Answer 6

a. The chromatids are pulled tightly by their attached microtubules to the very center of the
cell, lining up to form the equatorial plate of the mitotic spindle

Metaphase

Question 7

All of the following describes about the Blood, EXCEPT:
a. Type of connective tissue consisting of a liquid matrix containing cells and cell fragments
b. Plasma is the liquid matrix
c. The formed elements make up 45% of the total blood volume
d. Blood makes up about 55% of the total weight of the body.

Answer 7

d. Blood makes up about 55% of the total weight of the body.

8*

Question 8

All of the following describes the erythrocytes, EXCEPT
a. A major function of RBCs, is to transport hemoglobin, which in turn carries oxygen from the lungs to the tissues
b. shapes of RBCs can change remarkably as the cells squeeze through capillaries.
c. important for final maturation of the RBCs are two vitamins, vitamin C and folic acid.
d. NOTA

Answer 8

c. important for final maturation of the RBCs are two vitamins, vitamin C and folic acid.

B12*

Question 9

Whenever a vessel is severed or ruptured, hemostasis is achieved by several mechanisms. All of the following describes the hemostasis, EXCEPT
a. Vascular constriction
b. Formation of a platelet plug formation
c. In this mechanism there is activation of all clotting factors
d. NOTA

Answer 9

d. NOTA

Question 10

10. Each muscle fiber contains several hundred to several thousands_________
    a. myofilament
    b. myofibrils
    c. muscle fiber
    d. fascicle

Answer 10

b. myofibrils

Question 11

11. All of the following are true about the skeletal muscle fiber, EXCEPT
    a. A cross-bridge forms when the myosin binds to the actin.
    b. muscle fiber is a single cell consisting of a plasma membrane (sarcolemma), cytoplasm
    (sarcoplasm), several nuclei, and myofibrils
    c. Sarcomeres are bound by Z disks that hold actin myofilaments.
    d. NOTA

Answer 11

d. NOTA

Question 12

Whichofthefollowingdescribethemusclefibers?
a. Slow twitch fibers are small rich in myoglobin and responsible for maintaining the posture. Fast oxidative glycolytic fibers use aerobic and anaerobic cellular respiration in creating ATP. Fast Glycolytic fibers are large in diameter and resistance to fatigue is low.
b. Slow twitch fibers are small rich in myoglobin and responsible for sprinting and walking. Fast oxidative glycolytic fibers use aerobic and anaerobic cellular respiration in creating ATP. Fast Glycolytic fibers are large in diameter and resistance to fatigue is low.
c. Slow twitch fibers are small rich in myoglobin and responsible for maintaining the posture. Fast oxidative glycolytic fibers use aerobic and anaerobic cellular respiration in creating ATP. Fast Glycolytic fibers are large in diameter and resistance to fatigue is high.
d. NOTA

Answer 12

a. Slow twitch fibers are small rich in myoglobin and responsible for maintaining the posture. Fast oxidative glycolytic fibers use aerobic and anaerobic cellular respiration in creating ATP. Fast Glycolytic fibers are large in diameter and resistance to fatigue is low.

Question 13

The membrane becomes permeable to sodium ions, allowing tremendous numbers of positively charged ions to flow to the interior of the axon. The normal polarized state is lost.
a. Resting Stage
b. Depolarization stage
c. Repolarization stage
d. AOTA

Answer 13

b. Depolarization stage

Question 14

14. Iron ions are actively absorb in the
    a. large intestine
    b. small intestine
    c. stomach
    d. pancreas

Answer 14

b. small intestine

Question 15

Sacral pain occurs when _________ is stimulated such as during a passing a gas and relieved after each of these events
a. Stomach
b. Rectum
c. Esophagus
d. Small intestine

Answer 15

b. Rectum

Question 16

Which of the following are true about Disaccharide?
a. Compose of two monosaccharide unit
b. Compose of two polysaccharides
c. molecules of the monosaccharides glucose and fructose combine to form a molecule of the disaccharide lactose
d. molecules of the monosaccharides glucose and galactose combine to form a molecule of the disaccharide sucrose

Answer 16

a. Compose of two monosaccharide unit

Question 17

17. Stimulate the release of Aldosterone
    a. AII
    b. Renin
    c. Angiotensinogen
    d. ANP

Answer 17

a. AII

Question 18

All of the following are true about the nephron, EXCEPT
I. proximal tubular membranes are highly permeable to water
II. As fluid flows down the descending loop of Henle, water is absorbed into the cortex
III. The thin ascending limb is essentially impermeable to water but reabsorbs some sodium
chloride
IV. The thick part of the ascending loop of Henle is also virtually impermeable to water, but large
amounts of sodium, chloride, potassium, and other ions are actively transported from the
tubule into the medullary interstitium
V. The concentration of fluid in the medullary collecting ducts also depends on ADH

a. II,III,IV
b. II,III
c. Only IV
d. Only II
e. NOTA

Answer 18

d. Only II

Question 19

19. urine formation begins with
    a. tubular secretion
    b. tubular reabsorption
    c. glomerular filtration
    d. AOTA

Answer 19

c. glomerular filtration

Question 20

Place the route of blood flow through the kidney in the correct order:
I. Renal Artery,
II. Segmental Artery
III. Interlobar Artery
IV. Interlobular Artery
V. Afferent Arterioles
VI. Peritubular Capillaries
VII. Efferent Arterioles
VIII. Arcuate Arterioles
IX. Glomerular Capillaries

a. I, II, III, VIII, IV, V, IX, VII, VI
b. I, II, III, VIII, V, IV, IX, VII, VI
c. I, II, III, VII, IV, V, IX, VIII, VI
d. I, II, III, VIII, IV, VI, IX, VII, V

Answer 20

a. I, II, III, VIII, IV, V, IX, VII, VI

ARSIAIAGEP

Question 21

Which of the following describe the Pituitary Gland?
a. lies in the sella turcica, a bony cavity at the base of the brain, and is connected to the hypothalamus by the pituitary (or hypophysial) stalk.
b. secretes two major hormones, thyroxine and triiodothyronine, commonly called T4 and T3, respectively.
c. composed of two major parts, the adrenal medulla and the adrenal cortex
d. AOTA

Answer 21

a. lies in the sella turcica, a bony cavity at the base of the brain, and is connected to the hypothalamus by the pituitary (or hypophysial) stalk.

Question 22

TheZonaFasciculata
a. secretes the glucocorticoids cortisol
b. the inner zone of the cortex, secretes the adrenal androgens
c. capable of secreting significant amounts of aldosterone
d. AOTA

Answer 22

a. secretes the glucocorticoids cortisol

Question 23

this gland contains parafollicular cells that secrete calcitonin, a hormone that contributes to regulation of plasma calcium ion concentration
a. Adrenal Gland
b. Parathyroid gland
c. Pituitary gland
d. Thyroid gland

Answer 23

d. Thyroid gland

Question 24

24. composed of two major types of tissues, the acini, which secrete digestive juices into the duodenum, and the islets of Langerhans, which secrete insulin and glucagon directly into the blood.
    a. Adrenal gland
    b. Thyroid gland
    c. Pancreas
    d. Adenohypohpysis

Answer 24

c. Pancreas

GABIDS

Question 25

Excess activity of this gland causes rapid release of calcium salts from the bones, with resultant hypercalcemia in the extracellular fluid
a. Parathyroid gland
b. Thyroid gland
c. Adrenal gland
d. Anterior pituitary gland

Answer 25

a. Parathyroid gland