BIOL 2402 Tarrant County College -BIOL 2402 Exam #1
Review Questions | 2026/2027 | Answers Correct | With
Complete Solutions
A megakaryoblast will develop into what? Correct Answers
Platelet
An amine hormone derived from serotonin Correct Answers
Melatonin
As each atrium contracts where does blood move? Correct
Answers Through an atrioventricular valve
As each ventricle contracts where does blood move? Correct
Answers Into an artery
Cell fragments that aid in blood clotting Correct Answers
Thrombocytes / blood platelets
Destruction of the beta cells of the pancreas results in what
metabolic disorders that is characterized by hyperglycemia,
polyuria, polydipsia, and polyphagia? Correct Answers
Diabetes mellitus
During hemopoiesis, some of the myeloid stem cells
differentiate into what? Correct Answers Progenitor cells
Examples of agranular leukocyte? Correct Answers
Lymphocytes, monocytes
, For a person living at sea level vacations in the rocky
Mountains, what hematic parameter would you expect to
happen? Correct Answers Increase in their red blood cell count
From the left ventricle, where does blood pass? Correct
Answers Aortic semilunar valve
Hormone that act on neighboring cells without entering the
bloodstream Correct Answers Paracrines
How many hemoglobin molecules are in each RBC? Correct
Answers 280 million
In a fetus, this structure temporarily shunts blood from the
pulmonary trunk into the aorta Correct Answers Ductus
arteriosus
In the heart, the specialized conductive cells of the ventricles are
called ________fibers Correct Answers Purkinje
In which disorder is the aortic valve narrowed? Correct
Answers Aortic stenosis
Know the characteristics of steroid hormones Correct Answers
-Derived from cholesterol
-lipids, require protein transport molecule to get through the
blood
-usually acts at the transcription level
-Bind to receptors in target cell, influence cell activity by acting
on DNA, EXAMPLE: estrogen, testosterone
Review Questions | 2026/2027 | Answers Correct | With
Complete Solutions
A megakaryoblast will develop into what? Correct Answers
Platelet
An amine hormone derived from serotonin Correct Answers
Melatonin
As each atrium contracts where does blood move? Correct
Answers Through an atrioventricular valve
As each ventricle contracts where does blood move? Correct
Answers Into an artery
Cell fragments that aid in blood clotting Correct Answers
Thrombocytes / blood platelets
Destruction of the beta cells of the pancreas results in what
metabolic disorders that is characterized by hyperglycemia,
polyuria, polydipsia, and polyphagia? Correct Answers
Diabetes mellitus
During hemopoiesis, some of the myeloid stem cells
differentiate into what? Correct Answers Progenitor cells
Examples of agranular leukocyte? Correct Answers
Lymphocytes, monocytes
, For a person living at sea level vacations in the rocky
Mountains, what hematic parameter would you expect to
happen? Correct Answers Increase in their red blood cell count
From the left ventricle, where does blood pass? Correct
Answers Aortic semilunar valve
Hormone that act on neighboring cells without entering the
bloodstream Correct Answers Paracrines
How many hemoglobin molecules are in each RBC? Correct
Answers 280 million
In a fetus, this structure temporarily shunts blood from the
pulmonary trunk into the aorta Correct Answers Ductus
arteriosus
In the heart, the specialized conductive cells of the ventricles are
called ________fibers Correct Answers Purkinje
In which disorder is the aortic valve narrowed? Correct
Answers Aortic stenosis
Know the characteristics of steroid hormones Correct Answers
-Derived from cholesterol
-lipids, require protein transport molecule to get through the
blood
-usually acts at the transcription level
-Bind to receptors in target cell, influence cell activity by acting
on DNA, EXAMPLE: estrogen, testosterone
