BIO100- Exam 2

Erythrocytes can emerge from which of the following precursor cells?

2 are correct

What is the correct sequence of cortisol release? 1. CRH release by the hypothalamus. 2. ACTH binds to receptors on the adrenal cortex. 3. External interpretation of stress. 4. ACTH release by the anterior pituitary.

3,1,4,2

Which hormone (s) are NOT associated with the anterior pituitary?

ADH (anti-diuretic hormone)

A person with Type A blood has what antibodies?

Anti-B antibodies

Atrial depolarization directly leads to _________.

Atrial Contraction

A lymph node contains

B. afferent vessels circulating lymph into the node on its convex surface.

A drug that blocks erythropoietin receptors on reticulocytes will cause the hematocrit to...

Decrease

If there were a loss of CRH-receptors on the anterior pituitary, what will likely happen?

Decreased ACTH release by the anterior pituitary

An increase in blood albumin concentrations will likely...

Increased reabsorption at the venous end.

After a meal, _____ levels are likely to be raised. After a brief fast, _____ levels are likely to be raised.

Insulin/ glucagon

Adduction of the hip joint causes the tarsals to move

Medial

Which hormone is INCORRECTLY paired with its effects?

Oxytocin - prepares the body for rest-and-digest response.

Which hormone is INCORRECTLY matched with its function?

Prolactin- milk release

In an ECG pattern, the PQ interval indicates how long it takes for the cardiac impulse to travel from the

SA node through the AV node.

Lymphoid stem cells can differentiate into ...

T-Lymphocyte

A person with Type A person can receive blood from which donors? Select all possible donors.

Type A and O

A person with Type AB blood can accept blood from which donors? Select all that apply?

Type A,B,AB,O

Ventricular depolarization directly leads to _________.

Ventricular contraction

Ventricular contraction directly leads to _________.

Ventricular emptying

Ventricular relaxation directly leads to _________.

Ventricular filling

Moving the hand laterally and away from the body describes which type of motion?

abduction

Which movement is INACCURATELY described?

abduction - moving the arms towards the midline

Once cells in the SA node reach threshold,

an action potential is triggered.

Impulses that the vagus nerve carries to the heart

are parasympathetic and decrease heart rate.

Injections of gamma globulin are sometimes given to provide

artificially acquired passive immunity.

Which joint is INCORRECTLY matched with its descriptor?

ball-and-socket - sutures

Moving the limbs in a circular pattern (like winding up to throw a baseball) is an example of what type of motion?

circumduction

If lymph nodes existed without macrophages, the lymph nodes would lose the ability to

clear cellular debris and initiate immune responses.

Which innate defense mechanism initiate(s) a cascade effect in response to foreign proteins in the body?

complement system

Which anatomical motion is INCORRECTLY described?

dorsiflexion - moving the hallux away from the tibia (e.g. tip-toeing)

Innate defenses are

fast and nonspecific

Which structural classification of joints is INCORRECT

fibrous joints - most common joint in the body

To un-rack the weight for a bench press, the shoulder is in the _____ position.

flexed

Which hormone is INCORRECTLY matched with its function?

growth hormone - promotes growth of long bones.

A loss-of-function mutation in T3/T4 receptors on the hypothalamus would cause.

hyperthyroidism

Which endocrine organ is INCORRECTLY matched with its released hormone?

hypothalamus - ACTH

A increase in albumin concentrations will have what effect on the colloid osmotic pressure?

increase

Low-grade fever is an effective defense for short periods of time because it

increases temperature, which slows the growth of bacteria.

Marsha gets a splinter in her finger. What is her body's first response to any microbe that might try to enter her body as a result of the splinter breaking the skin?

innate defense

The type of resistance that is acquired as a result of developing a disease is

naturally acquired active immunity.

Which hormone is NOT released by the anterior pituitary?

oxytocin

Circulation is vital because it

supplies oxygen and nutrients to and removes wastes from tissues.

This fibrous joint is found between flat skull bones.

suture

This cartilaginous joint is found in the epiphyseal plate and is made of hyaline cartilage.

synchondrosis

Fluid is kept from accumulating in tissue spaces by

the lymphatic system.

The lymph nodes of the axillary region receive lymph mainly from the

upper limb and mammary gland.

Which type of blood vessel holds the greatest volume of blood?

vein

Atrial emtyping directly leads to _________.

ventricular filling