During the menstrual cycle, what triggers ovulation to occur?

Please upload YOUR SINGLE PDF file in the second quiz.  Remember to save your file as NAME_SURNAME_GR11E_PHSC_SBA004A

1.1 An object of weight W is suspended from two strings. F1 and F2 are the forces exerted by the strings. The system is in equilibrium. (2)            Which ONE of the following equations is valid for this situation?  

QUESTION 4 Cart A with a mass of 1 200 kg is towing cart B also with a mass of 1 200 kg with a tow rope as shown on the diagram below. They are moving across a rough horizontal surface, with a force of magnitude F. Ignore the mass of the rope. The coefficient of kinetic friction for the cart A and cart B, are 0,2 and 0,1 respectively. Right click on the button below to open the image in a new tab.   4.1 State Newton’s second law in words. (2) 4.2 Draw a free body diagram of all the forces acting on cart A. (5) 4.3 Calculate the tension in the string if the system accelerates to the right at 4 m.s-2.               (5) 4.4 Calculate the magnitude of the force F if the system moves to the right at constant velocity. (6)     [18]

Which of the following is an indication for invasive mechanical ventilation? 1. Respiratory Arrest 2. Impending Ventilatory Failure 3. Refractory Hypoxemia 4. Respiratory Failure

An ABG is obtained on patient on the following settings: PRVC Vt 500, RR 20, +5 and 100%. pH  7.37 PaCO2 39 Pa02 50 HCO3 24 Sa02 85% What is the cause of the patient’s abnormal ABG?

Which of the following half reactions is the correct representation of the balanced half-reaction for the following half-reaction?   Mg     —>  Mg2+  

What is the type of bonding in covalent / molecular compounds?

CONGRATULATIONS…You finished the Exam!! Before logging off from Honorlock, please make sure you:  Rip up your Scrap Paper, Periodic Table and Common Ion Chart in front of the WebCam.  Submit your Exam.

Identify if the following half-reaction is an oxidation or a reduction reaction.   Fe3+  + 3 e-  –>  Fe