Which statement(s) is/are correct? Check all that apply.

A) Arteries have a thick muscular layer.
B) Veins can control blood pressure.
C) Capillaries are the site of oxygen and nutrient exchange.
D) Veins have valves to assist with one-way blood flow.
E) Capillaries contain most of the blood volume.

Seed plants produce ovules, each of which is a megasporangium surrounded by ___________.

A) integuments
B) megasporangium
C) angiosperms
D) gymnosperms
E) phloem

Human resource managers must act as ___________________________________ when they balance competing internal and external pressures.

The trophoblast secretes ____, which signals the corpus luteum that pregnancy has begun.

A) estrogen
B) a gray crescent
C) progesterone
D) hCG
E) an enzyme

The ________ is a dorsal supporting rod present in the early embryonic development of the vertebrates.

A) neural plate
B) neural tube
C) notochord
D) neurula
E) vertebral column

virus that infects bacteria

A) emerging disease
B) bacteriophage
C) vector
D) retrovirus
E) pathogen

The NLRA specifies that permanently replaced strikers are eligible to vote in a decertification election:

A) If they are hired back by the company.
B) If the election occurs within 12 months of the start of the strike.
C) At any time, regardless of when the decertification election is held.
D) Not at all; permanently replaced strikers lose all rights to vote in a decertification election.

Which type of neuronal pathway allows for a stimulus to be transmitted to the most number of cells?

A) Divergent
B) Convergent
C) Reverberating
D) Both "Convergent" and "Reverberating" are correct.

bulb

A) flattened photosynthetic stem that stores water; succulents
B) "runners"; horizontal branches from main stem; contain nodes
C) thickened areas of underground stolons used for food storage
D) fleshy main stem that grows horizontally underground
E) thick underground stem that stores nutrients; has nodes off of which shoots arise
F) short underground stem with overlapping thick leaves called scales

Which of the following muscles is named for its shape?

A) Pectoralis major
B) Adductor pollicis
C) Vastus lateralis
D) Trapezius
E) Pectoralis minor