Lab 12 Practice Q Sheet

Question 1

Hematocrit of 35% for a male (normal/below normal/above normal)

Answer 1

Below normal (normal for males 40-54%)

Question 2

3800 white blood cells/mm3 (normal/below normal/ above normal)

Answer 2

Below normal (5,000-10,000 WBC/mm3)

Question 3

Eosinophils composing 3% of the total WBCs (normal/below normal/above normal)

Answer 3

Within normal range (2-4%)

Question 4

4.5 million RBCs/mm3 for a female (normal/below normal/ above normal)

Answer 4

Within normal range (3.9-5.6 Million RBC/mm3)

Question 5

Hemoglobin concentration of 11g/100ml of blood for a male (normal/below normal/ above normal)

Answer 5

Below normal 13.5-18

Question 6

Monocytes composing 10% of the total WBCs (normal/below normal/ above normal)

Answer 6

Above normal (3-8%)

Question 7

Platelet count of 300,000 per mm3 of blood (normal/below normal/ above normal)

Answer 7

Within normal range (150,000-400,000/mm3)

Question 8

The autonomic nervous system and hormones released by the adrenal medulla contribute to the regulation of heart rate and contractility. Acetylcholine will (increase/decrease) heart rate as it is the neurotransmitter released by the (sympathetic/parasympathetic) nervous system at the SA and AV nodes.

Answer 8

Decrease; Parasympathetic

Question 9

Epinephrine will ________ heat rate and strength of contraction. Epinephrine is a hormone released by the adrenal medulla which is considered to be part of the __________ nervous system.

Answer 9

Increase; Sympathetic

Question 10

Transfusion rule:

Answer 10

Recipient’s antibodies must not match donor’s antigens

Question 11

Allows the oxygen-rich blood to bypass the liver

Answer 11

Ductus venous

Question 12

Brings oxygen rich blood to the fetus in the umbilical cord

Answer 12

Umbilical vein

Question 13

Allows blood to bypass the lungs once it enters the right atrium

Answer 13

Foramen Ovale

Question 14

Branches off the fetal internal iliac arteries to return wastes and CO2 to the placenta

Answer 14

Umbilical arteries

Question 15

Allows blood to bypass the fetal lungs once blood has entered the pulmonary trunk

Answer 15

Ductus arteriosus

Question 16

ECG - Artial depolarization

Answer 16

P Wave

Question 17

ECG - Ventricular depolarization

Answer 17

QRS Complex

Question 18

ECG - Ventricular repolarization

Answer 18

T Wave

Question 19

The fetus is supplied with oxygen and nutrients via __________ _____ in the umbilical cord

Answer 19

Umbilical vein

Question 20

(Fetus) Umbilical vein in the umbilical cord carries blood from the ________ to the fetus

Answer 20

Placenta

Question 21

(Fetus) The _________ ________ allows most of the blood to bypass the fetal liver and enter directly into the inferior vena cava

Answer 21

Ductus venosus

Question 22

(Fetus) The ductus venosus allows most of the blood to bypass the fetal liver and enter directly into the ____________________

Answer 22

Inferior vena cava

Question 23

(Fetus) The ___________ _______ and foramen ovale allow the blood to bypass the nonfunctional fetal lungs

Answer 23

Ductus arteriosus

Question 24

(Fetus) The ductus arteriosus and _________ _____ allow the blood to bypass the nonfunctional fetal lungs

Answer 24

Foramen ovale

Question 25

(Fetus) Metabolic wastes and carbon dioxide are moved from the fetus in blood carried by ____________ ________, which are branches of the fetal internal iliac arteries

Answer 25

Umbilical arteries

Question 26

(Fetus) Only the ___________ ______ contains oxygenated blood, as all other fetal vessels carry a mixture of oxygenated and deoxygenated blood

Answer 26

Umbilical vein

Question 27

During the process of accommodation for close vision, the lens of the eye becomes (more round/flatter) because the ciliary muscle (contracts/relaxes) (increasing/decreasing) the tension of suspensory ligaments

Answer 27

More round; contracts; decreasing

Question 28

The area of the retina responsible for the greatest visual acuity is the

Answer 28

Fovea centralis

Question 29

Eosinophils range from _ to _ % of the total WBC population

Answer 29

2; 4

Question 30

A total white blood cell count in a heathy individual would be

Answer 30

5,000-10,000 cells/mm3

Question 31

The leukocyte that produces antibodies is the

Answer 31

Lymphocyte

Question 32

Embryonic mesoderm gives rise to:

Answer 32

Muscle, blood, bones, heart, kidneys

Question 33

Membranous structures of the inner ear involved in static equilibrium are the

Answer 33

Saccule, utricle

Question 34

Name 3 accessory glands in the male that contribute to secretions to form seminal fluid:

Answer 34

Prostate gland, seminal vesicle, bulburethral gland

Question 35

Absorbs water and form feces:

Answer 35

Large intestine

Question 36

Food passageway posterior to trachea

Answer 36

Esophagus

Question 37

Secretions from this structure initiate protein digestion

Answer 37

Stomach

Question 38

Membrane joining the lesser curvature of the stomach to the liver

Answer 38

Lesser omentum

Question 39

Finger-like extensions of the intestinal mucosa that increase the surface area for absorption

Answer 39

Villus

Question 40

Mobile organ that manipulates food in the mouth and initiates swallowing

Answer 40

Tongue

Question 41

Bone supported roof of the mouth

Answer 41

Hard palate

Question 42

An ECG recording detects ________ ______ of the cardiac muscle - waves of depolarization/repolarization of atria and ventricles

Answer 42

Electrical activity

Question 43

Implantation of blastocyst in the uterus at 6 days post fertilization:
Blastocytes adheres to endometrium of uterus. Trophoblast cells - 2 layers - inner layer is cellular trophoblast and outer layer forms _________ __________

Answer 43

Syncytial trophoblast

Question 44

These cells secrete enzymes & blastocyst is burried in endometrium

Answer 44

Syncytial trophoblast