unit 1

Question 1

Which of the following is a major regulatory system of the body?

Answer 1

Nervous system

Endocrine system

Question 2

Which of the following is NOT a major endocrine gland?

Answer 2

Thalamus

Question 3

Which of the following does NOT involve direct contact between cells?

Answer 3

Extracellular chemical messengers

Question 4

Has a specific receptor on its membrane that is linked to intracellular machinery.

Answer 4

Target cell

Question 5

A chemical messenger that is released across a

synapse.

Answer 5

Neurotransmitter

Question 6

A local chemical messenger between cells

Answer 6

Paracrine

Question 7

Glands are predominately composed of:

Answer 7

Epithelial tissue

Question 8

Type of gland that does not use ducts and

secretes its product into the blood:

Answer 8

Endocrine gland

Question 9

Which of the following is not an example of

a paracrine secretion?

Answer 9

Insulin

Question 10

Which of the following is NOt true of leukotrienes?

Answer 10

Cyclooxygenase inhibitors block their production

Question 11

Which of the following would most likely result from a hormone binding to a target cell receptor?

Answer 11

Activate 2nd messenger system

Question 12

Which of the following is not a major 2nd messenger system/part of a 2nd messenger system?

Answer 12

Tryptophan Inositol

Question 13

Catalyzes the conversion of Atp to camp.

Answer 13

Adenylate cyclase

Question 14

Is activated by camp

Answer 14

Protein kinase A

Question 15

Which category of hormone is primarily derived from tyrosine?

Answer 15

Amines

Question 16

Which category of hormone is derived from Cholesterol?

Answer 16

Steroids

Question 17

Which category of hormone is exclusively transported dissolved in the blood?

Answer 17

Peptides

Question 18

Why is it not necessary for this category of hormone (from previous question) to use a transport protein?

Answer 18

These hormones are hydrophilic

Question 19

Which category of hormones are typically hydrophilic with one major exception?

Answer 19

Amines

Question 20

Identify the hormone that is the exception from the previous question.

Answer 20

Thyroid hormone

Question 21

The hormone from the previous question is lipid- soluble (hydrophobic). Which of the following would most likely be true of this hormone?

Answer 21

Would bind to intracellular receptors

Question 22

Which category of hormone is not stored in the cell?

Answer 22

Steroids

Question 23

Which of the following is not a determinate of plasma concentration of a hormone?

Answer 23

Rate of synthesis

Question 24

Identify all of the factors that increase a hormone’s effectiveness.

Answer 24

Up-regulation of receptors
Synergism
Permissiveness

Question 25

Identify all of the factors that Decrease a hormones effectiveness.

Answer 25

Down-regulation of receptors | Antagonism

Question 26

Weight gain, cold intolerance, and lethargy are symptoms of:

Answer 26

Hypothyroidism

Question 27

Which of the following causes hyperthyroidism?

Answer 27

Excessive stimulation by pituitary gland Loss of feedback control by thyroid Excessive production of thyroid hormone

Question 28

Which of the following does not produce blood cells after birth?

Answer 28

Liver

Question 29

amount of dissolved particles in blood.

Answer 29

Osmolarity

Question 30

Primary factor that contributes to blood viscosity.

Answer 30

RBCs

Question 31

Which of the following is not a formed element of blood?

Answer 31

Plasma

Question 32

Most abundant plasma protein type.

Answer 32

albumins

Question 33

A normal male hematocrit value

Answer 33

47%

Question 34

Primary component of plasma

Answer 34

Water

Question 35

Which of the following is not a subclass of globulins?

Answer 35

Delta

Question 36

Plasma protein family important for transport, blood osmolarity and viscosity.

Answer 36

albumins

Question 37

Which of the following plasma proteins does not play a role in blood clotting.

Answer 37

Gamma globulins

Question 38

contributes more to blood osmolarity than any other solute.

Answer 38

Na+

Question 39

Which of the following blood values is abnormal?

Answer 39

White blood cells: 12,000

Question 40

Which of the following is present in a RBC?

Answer 40

Hemoglobin

Question 41

Which of the following is not an effect of anemia?

Answer 41

High blood viscosity

Question 42

Which of the following is true of type AB blood?

Answer 42

No antibodies

Question 43

Which of the following is true of type A blood?

Answer 43

A antigens present

Question 44

Which of the following would normally be present in the blood of an RH- individual?

Answer 44

No antigens or antibodies

Question 45

Type of leukocyte with single nuclei that have few or no granules.

Answer 45

Agranulocytes

Question 46

Most common type of white blood cell

Answer 46

Neutrophils

Question 47

Plays a role in allergic reactions and parasitic infections.

Answer 47

Eosinophils

Question 48

Which of the following is NOT a granulocyte?

Answer 48

Lymphocytes

Question 49

Associated with storage of histamine and release of heparin.

Answer 49

Basophils

Question 50

An infection might cause

Answer 50

leukopenia | Leukocytosis

Question 51

which of the following is not a function of platelets?

Answer 51

Form antibodies

Question 52

which of the following is true of the extrinsic coagulation cascade pathway?

Answer 52

Triggered by damage to the outer vessel wall

Question 53

what ion is important for both coagulation cascade pathways?

Answer 53

Ca++

Question 54

Most cases of hemophilia are caused by a lack of which clotting factor?

Answer 54

Factor VIII

Question 55

Which of the following functions in antagonizing coagulation?

Answer 55

Thrombin dilution Antithrombin Heparin