BIOL 260 Final Exam Answered (2022)
1. Have very fast-acting myosin ATPases and depend upon anaerobic
metabolism during contraction
- Fast (oxidative or glycolytic), fatigable fibers
2. The situation in which contractions become stronger due to stimulation
before complete relaxation occurs
- wave summation
3. The thicker filaments are the ____________________ filaments
- myosin
4. Destroys ACh
- Acteylcholinesterase
5. Immediately following the arrival of the stimulus at a skeletal muscle cell
there is a short period called the ____________________ period during
which the neurotransmitter is released by exocytosis, diffuses across the
synaptic cleft, and binds to its receptors.
- latent
6. What are the components of the blood?
- both plasma and formed elements
7. If a person is suspected of having a malarial infection, which of the
following will be elevated?
- eosinophils
8. If a person was diagnosed with thrombocytopenia due to the new medication
that was prescribed, which of the following would you watch out for in this
individual?
- excessive bleeding
9. Which blood type is considered a universal recipient?
, - AB+
10.What is the blood type of this individual whose result is shown by the
figure?
- A+
11.What is the best equation for cardiac output?
- CO = HR X SV
12.What is the best equation for stroke volume?
- SV = EDV - ESV
13.Which agent will lead to an increase in heart rate?
- Positive chronotropic agents
14.Which wave represents atrial depolarization?
- P wave
15.What are the factors that affect the stroke volume?
- Preload, Afterload, and Contractility
16.What are the sources of resistance to blood flow?
- Vessel Length, Diameter, and Blood Viscosity
17.Where is the pressure the greatest in the systemic blood pressure?
- Aorta
18.The pressure that propels the blood to the tissues is expressed in which of
the following equations?
- MAP = DP + 1/3 PP
19.What are the factors that aid in venous return?
- Muscular Pump and Respiratory Pump
1. Have very fast-acting myosin ATPases and depend upon anaerobic
metabolism during contraction
- Fast (oxidative or glycolytic), fatigable fibers
2. The situation in which contractions become stronger due to stimulation
before complete relaxation occurs
- wave summation
3. The thicker filaments are the ____________________ filaments
- myosin
4. Destroys ACh
- Acteylcholinesterase
5. Immediately following the arrival of the stimulus at a skeletal muscle cell
there is a short period called the ____________________ period during
which the neurotransmitter is released by exocytosis, diffuses across the
synaptic cleft, and binds to its receptors.
- latent
6. What are the components of the blood?
- both plasma and formed elements
7. If a person is suspected of having a malarial infection, which of the
following will be elevated?
- eosinophils
8. If a person was diagnosed with thrombocytopenia due to the new medication
that was prescribed, which of the following would you watch out for in this
individual?
- excessive bleeding
9. Which blood type is considered a universal recipient?
, - AB+
10.What is the blood type of this individual whose result is shown by the
figure?
- A+
11.What is the best equation for cardiac output?
- CO = HR X SV
12.What is the best equation for stroke volume?
- SV = EDV - ESV
13.Which agent will lead to an increase in heart rate?
- Positive chronotropic agents
14.Which wave represents atrial depolarization?
- P wave
15.What are the factors that affect the stroke volume?
- Preload, Afterload, and Contractility
16.What are the sources of resistance to blood flow?
- Vessel Length, Diameter, and Blood Viscosity
17.Where is the pressure the greatest in the systemic blood pressure?
- Aorta
18.The pressure that propels the blood to the tissues is expressed in which of
the following equations?
- MAP = DP + 1/3 PP
19.What are the factors that aid in venous return?
- Muscular Pump and Respiratory Pump
