NEWEST EXAM WITH UPDATED QUESTIONS AND CORRECT
DETAILED ANSWERS \VERIFIED 100% \GRADED A+
The atomic number of carbon is 6. How many unpaired electrons are in its
outer shell?
4
Atria are often called _ because they receive blood from vessels called
veins.
receiving chambers
The autonomic nervous system does not stimulate:
skeletal muscles
Bean-shaped structures located at certain intervals along the lymphatic
system are
lymph nodes.
,A decrease in the amount of white blood cells is called
leukopenia
During their residence in the thymus, pre-T cells develop into , cells that
proliferate as rapidly as any in the body.
thymocytes
The efferent pathways of the autonomic nervous system consist of the
________ nervous systems.
sympathetic and parasympathetic
Fertilization of an ovum most often occurs in the:
fallopian tube
From smallest to largest, the levels of organization of the body are:
chemical, organelle, cellular, tissue, organ, system, organism.
The function of surfactant is to:
prevent each alveolus from collapsing as air moves in and out during
respiration.
, The fundamental organizational unit of life is the:
cell
Identify the letter that indicates a commissure connecting left and right
cerebral hemispheres.
B
Identify the letter that indicates a gland that secretes a hormone
controlling basal metabolic rate.
B