The ________ is the part of the sperm that contains the DNA.
A) head
B) neck
C) acrosome
D) zona pellucida
E) corona radiata
The blood vessel that carries oxygenated blood away from the placenta is the
A) umbilical vein.
B) iliac veins.
C) umbilical arteries.
D) uterine veins.
E) uterine arteries.
The viscous material between cells of areolar connective tissue is called the
A) cytosol.
B) ground substance.
C) cytoplasm.
D) crista.
E) gel matrix.
The superior region of the pharynx is called the
A) nasal cavity.
B) nasopharynx.
C) oropharynx.
D) laryngopharynx.
E) superior nasal conchae.
The white matter of the cerebellum forms a branching array called the
A) basal ganglia.
B) corpus callosum.
C) commissural fibers.
D) cortical folds.
E) arbor vitae.
Adipocytes produce a peptide hormone called ________ that acts on the hypothalamus.
A) leptin
B) grehlin
C) lipase
D) glucagon
E) adipocin
The freedom of movement is greatest in the
A) pelvic girdle.
B) pectoral girdle.
C) thoracic vertebral column.
D) sacrum.
E) jaw.
________ is responsible for the RBC’s ability to transport oxygen and CO2.
A) Hemoglobin
B) Fibrinogen
C) Albumin
D) Transferrin
E) Ferritin
The common term for the buccal region is the
A) back.
B) waist.
C) breast.
D) cheeks.
E) buttocks.
The sensory loss and muscle weakness associated with multiple sclerosis are a
consequence of
A) excessive myelin layers around the axonal fibers.
B) demyelination.
C) a neuron not having a myelin sheath.
D) a neuron without a neurilemma.
E) too few nodes of Ranvier.
A reduction in sensitivity in the presence of a constant stimulus is referred to as
A) transduction.
B) adaptation.
C) negation.
D) exhaustion
E) transformation.
Most of the chemicals involved in the coagulation pathways are
A) electrolytes.
B) lipids.
C) vitamins.
D) proteins.
E) carbohydrates.
The vessel that supplies a capillary bed from an arteriole is called a
A) portal vein.
B) metarteriole.
C) continuous capillary.
D) thoroughfare channel.
E) venule.
A bruise turns “black and blue” because of ________ in the dermis.
A) hyperactive sebaceous glands
B) apparent cyanosis
C) the accumulation of pus
D) broken blood vessels
E) a lack of oxygen
Figure 24-1 The Stomach (dissected)
Identify the stomach region labeled “7.”
A) esophagus
B) cardia
C) lesser curvature
D) greater curvature
E) pylorus
A blood cell undergoes crenation when it is placed in a(n) ________ solution.
A) isotonic
B) hypertonic
C) hypotonic
D) merotonic
E) homotonic
Masses of insoluble material that are sometimes found in cytosol are known as
A) colloids.
B) emulsifiers.
C) solutes.
D) crystals.
E) inclusions.